indexing
description: "Small picture whose location on the screen is controlled by a pointing device."
legal: "See notice at end of class."
status: "See notice at end of class."
date: "$Date: 2006-03-22 23:29:03 -0800 (Wed, 22 Mar 2006) $"
revision: "$Revision: 57641 $"
class interface
WEL_CURSOR
create
make_by_id (id: INTEGER_32)
`id'
WEL_GRAPHICAL_RESOURCE
require WEL_RESOURCE
valid_id: id > 0
ensure WEL_RESOURCE
not_shared: not shared
make_by_name (name: STRING_GENERAL)
`name'
WEL_GRAPHICAL_RESOURCE
require WEL_RESOURCE
name_not_void: name /= Void
name_not_empty: not name.is_empty
ensure WEL_RESOURCE
not_shared: not shared
make_by_file (file_name: STRING_GENERAL)
`file_name'
WEL_GRAPHICAL_RESOURCE
require WEL_GRAPHICAL_RESOURCE
file_name_not_void: file_name /= Void
make_by_bitmask (x_hot_spot, y_hot_spot: INTEGER_32; and_plane, xor_plane: ARRAY [CHARACTER_8])
`and_plane'`xor_plane'
`x_hot_spot'`y_hot_spot'
require
x_hot_spot_large_enough: x_hot_spot >= 0
x_hot_spot_small_enough: x_hot_spot < cursor_width
y_hot_spot_large_enough: y_hot_spot >= 0
y_hot_spot_small_enough: y_hot_spot < cursor_height
and_plane_not_void: and_plane /= Void
xor_plane_not_void: xor_plane /= Void
and_plane_not_empty: not and_plane.is_empty
xor_plane_not_empty: not xor_plane.is_empty
make_by_predefined_id (id: POINTER)
`id'
WEL_GRAPHICAL_RESOURCE
ensure WEL_RESOURCE
shared: shared
make_by_pointer (a_pointer: POINTER)
item`a_pointer'
item
`a_pointer'
WEL_GDI_ANY
require WEL_ANY
True
ensure WEL_ANY
item_set: item = a_pointer
shared: shared
make_by_icon_info (icon_info: WEL_ICON_INFO)
`icon_info'
WEL_GRAPHICAL_RESOURCE
ensure WEL_GRAPHICAL_RESOURCE
item_not_void: item /= default_pointer
feature
gdi_objects_count: INTEGER_32
WEL_GDI_ANY
generating_type: STRING_8
ANY
generator: STRING_8
ANY
get_icon_info: WEL_ICON_INFO
WEL_GRAPHICAL_RESOURCE
ensure WEL_GRAPHICAL_RESOURCE
result_void_or_valid: Result = Void or else Result.is_initialized
item: POINTER
WEL_ANY
previous_cursor: WEL_CURSOR
x_hotspot: INTEGER_32
`Current'
y_hotspot: INTEGER_32
`Current'
feature
frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
shallow_implies_deep: standard_equal (some, other) implies Result
both_or_none_void: (some = Void) implies (Result = (other = Void))
same_type: (Result and (some /= Void)) implies some.same_type (other)
symmetric: Result implies deep_equal (other, some)
frozen equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))
is_equal (other: like Current): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
symmetric: Result implies other.is_equal (Current)
consistent: standard_is_equal (other) implies Result
frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))
frozen standard_is_equal (other: like Current): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
same_type: Result implies same_type (other)
symmetric: Result implies other.standard_is_equal (Current)
feature
conforms_to (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
exists: BOOLEAN
item
WEL_ANY
require WEL_REFERENCE_TRACKABLE
True
ensure WEL_ANY
Result = (item /= default_pointer)
same_type (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
definition: Result = (conforms_to (other) and other.conforms_to (Current))
shared: BOOLEAN
item
item
destroy_item
item
WEL_ANY
feature
set_shared
shared
WEL_ANY
ensure WEL_ANY
shared: shared
set_unshared
shared
WEL_ANY
ensure WEL_ANY
unshared: not shared
feature
set_item (an_item: POINTER)
item`an_item'
WEL_ANY
ensure WEL_ANY
item_set: item = an_item
feature
delete
WEL_GRAPHICAL_RESOURCE
require WEL_REFERENCE_TRACKABLE
reference_not_tracked: not reference_tracked
ensure WEL_REFERENCE_TRACKABLE
destroyed: not shared implies not exists
delete_gdi_object
WEL_GRAPHICAL_RESOURCE
ensure WEL_GDI_ANY
not_exists: not exists
dispose
`Current'
WEL_REFERENCE_TRACKABLE
require DISPOSABLE
True
ensure then WEL_REFERENCE_TRACKABLE
internal_object_id_freed: internal_object_id = 0
feature
copy (other: like Current)
`other'
ANY
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_equal: is_equal (other)
frozen deep_copy (other: like Current)
copy`other'deep_twin
ANY
require ANY
other_not_void: other /= Void
ensure ANY
deep_equal: deep_equal (Current, other)
frozen deep_twin: like Current
ANY
ensure ANY
deep_equal: deep_equal (Current, Result)
frozen standard_copy (other: like Current)
`other'
ANY
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_standard_equal: standard_is_equal (other)
frozen standard_twin: like Current
`other'
ANY
ensure ANY
standard_twin_not_void: Result /= Void
equal: standard_equal (Result, Current)
frozen twin: like Current
`Current'
twincopycopy
ANY
ensure ANY
twin_not_void: Result /= Void
is_equal: Result.is_equal (Current)
feature
frozen default: like Current
ANY
frozen default_pointer: POINTER
`POINTER'
`p'default
`p'`POINTER'
ANY
default_rescue
ANY
frozen do_nothing
ANY
restore_previous
previous_cursor
require
previous_cursor_not_void: previous_cursor /= Void
ensure
previous_cursor_void: previous_cursor = Void
set
previous_cursor
require
exists: exists
feature
io: STD_FILES
ANY
out: STRING_8
ANYtagged_out
ANY
print (some: ANY)
`some'
ANY
frozen tagged_out: STRING_8
ANYout
ANY
feature
operating_environment: OPERATING_ENVIRONMENT
ANY
feature
reference_tracked: BOOLEAN
`Current'
WEL_REFERENCE_TRACKABLE
references_count: INTEGER_32
WEL_REFERENCE_TRACKABLE
feature
decrement_reference
delete
WEL_REFERENCE_TRACKABLE
require WEL_REFERENCE_TRACKABLE
exists: exists
tracking_references_started: reference_tracked
enable_reference_tracking
`references_tracked'
WEL_REFERENCE_TRACKABLE
require WEL_REFERENCE_TRACKABLE
exists: exists
tracking_reference_not_started: not reference_tracked
increment_reference
WEL_REFERENCE_TRACKABLE
require WEL_REFERENCE_TRACKABLE
exists: exists
tracking_references_started: reference_tracked
object_id: INTEGER_32
`Current'
WEL_REFERENCE_TRACKABLE
invariant
ANY
reflexive_equality: standard_is_equal (Current)
reflexive_conformance: conforms_to (Current)
indexing
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end WEL_CURSOR